l1t::Stage2TowerCompressAlgorithmFirmwareImp1 Class Reference

#include <Stage2TowerCompressAlgorithmFirmware.h>

Inheritance diagram for l1t::Stage2TowerCompressAlgorithmFirmwareImp1:

Public Member Functions
virtual void	processEvent (const std::vector< l1t::CaloTower > &inTowers, std::vector< l1t::CaloTower > &outTowers)
	Stage2TowerCompressAlgorithmFirmwareImp1 (CaloParamsHelper *params)
virtual	~Stage2TowerCompressAlgorithmFirmwareImp1 ()
Public Member Functions inherited from l1t::Stage2TowerCompressAlgorithm
virtual	~Stage2TowerCompressAlgorithm ()

Private Attributes
CaloParamsHelper *	params_

Detailed Description

Author

: Jim Brooke

Description: first iteration of stage 2 jet algo

Definition at line 22 of file Stage2TowerCompressAlgorithmFirmware.h.

Constructor & Destructor Documentation

l1t::Stage2TowerCompressAlgorithmFirmwareImp1::Stage2TowerCompressAlgorithmFirmwareImp1

(

CaloParamsHelper *

params

)

Definition at line 14 of file Stage2TowerCompressAlgorithmFirmwareImp1.cc.

                                                                                                              :
  params_(params)
{

}

l1t::Stage2TowerCompressAlgorithmFirmwareImp1::~Stage2TowerCompressAlgorithmFirmwareImp1 ( )

virtual

Definition at line 21 of file Stage2TowerCompressAlgorithmFirmwareImp1.cc.

                                                                                       {


}

Member Function Documentation

void l1t::Stage2TowerCompressAlgorithmFirmwareImp1::processEvent ( const std::vector< l1t::CaloTower > &  inTowers, std::vector< l1t::CaloTower > &  outTowers  )

virtual

Implements l1t::Stage2TowerCompressAlgorithm.

Definition at line 27 of file Stage2TowerCompressAlgorithmFirmwareImp1.cc.

References cmsBatch::log, l1t::L1Candidate::setHwEta(), l1t::CaloTower::setHwEtEm(), l1t::CaloTower::setHwEtHad(), l1t::CaloTower::setHwEtRatio(), l1t::L1Candidate::setHwPhi(), l1t::L1Candidate::setHwPt(), and l1t::L1Candidate::setHwQual().

                                                                      {

  for ( auto tow = inTowers.begin();
    tow != inTowers.end();
    ++tow ) {

    if (!params_->doTowerEncoding()) {

      outTowers.push_back( *tow );

    }

    else {

      int etEm  = tow->hwEtEm();
      int etHad = tow->hwEtHad();

      int ratio = 0;
      if (etEm>0 && etHad>0) {
    if (etEm>=etHad) ratio = (int) std::round(log(float(etEm) / float(etHad))/log(2.));
    else ratio = (int) std::round(log(float(etHad) / float(etEm))/log(2.));
      }
      ratio &= params_->towerMaskRatio() ;

      int sum  = etEm + etHad;
      sum &= params_->towerMaskSum() ;

      int qual = 0;
      qual |= (etEm==0 || etHad==0 ? 0x1 : 0x0 );  // denominator ==0 flag
      qual |= ((etHad==0 && etEm>0) || etEm>=etHad ? 0x2 : 0x0 );  // E/H flag
      qual |= (tow->hwQual() & 0xc); // get feature bits from existing tower

      l1t::CaloTower newTow;
      newTow.setHwEtEm(etEm);
      newTow.setHwEtHad(etHad);
      newTow.setHwEta( tow->hwEta() );
      newTow.setHwPhi( tow->hwPhi() );
      newTow.setHwPt( sum );
      newTow.setHwEtRatio( ratio );
      newTow.setHwQual( qual );

      outTowers.push_back(newTow);

    }

  }

}

Member Data Documentation

CaloParamsHelper* l1t::Stage2TowerCompressAlgorithmFirmwareImp1::params_

private

Definition at line 29 of file Stage2TowerCompressAlgorithmFirmware.h.